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A relation on (A={1,2,3}) has matrix (M). If (M) is not a symmetric matrix, which conclusion is definitely correct?

Answer and explanation

Correct answer: The relation is not symmetric

Step 1: The matrix test for symmetry is (M=M^T). Step 2: If the matrix is not symmetric, then for some place (m_{ij}\neq m_{ji}). Step 3: That means some pair does not have its reverse pair, so the relation is not symmetric.

Related tags

Relation MatrixSymmetric RelationTransposeClass 12Relations And FunctionsMathematicsClass 12 Mcq

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